}
break;
case 'getCategories':
header("content-type: text/xml");
$auth = new Auth($apikey, $secret);
if ($auth->isAuthenticate()) {
$article = new Article();
print $article->getCategories();
}
break;
case 'getSections':
header("content-type: text/xml");
$auth = new Auth($apikey, $secret);
if ($auth->isAuthenticate()) {
$article = new Article();
print $article->getSections();
}
break;
case 'getCategoriesBySection':
header("content-type: text/xml");
$auth = new Auth($apikey, $secret);
if ($auth->isAuthenticate()) {
$article = new Article();
print $article->getCategoriesBySection();
}
break;
case 'publish_article':
$auth = new Auth($apikey, $secret);
if ($auth->isAuthenticate()) {
$article = new Article();
$article->sync($_POST);
